Apparatus for removing timbers from sawmill carriages



W.IH. COOPER APPARATUS FOR REMOYJNG' TIMBERS' FROM SAWMILL' CARRIAGES Filed July 10 f 1922 INVENTOR 9 l0 l l f/lfam /1 C 00,0491

ATTORN Patented Get. 2, 3923,

VJIELIAM-IH.iEOOEERflOF SEATTLEAWASHIJNGTDN.

APPARATUS rongenmowmeimimsens 1130M SA ILL, eerie-reeves. d

Appiiqatioei filed July riage the .timbers on which" sawing operr etionshaveheen completed.

I In common foperation 'of'saiv Ififll'fCflf- 'Iieges, the logs tobesawed ereyloaded upon one ,side'of a; reiprocatin-g carriagefrthe saw "being donated" :beyohcP the eide :hf the carriage end ineloseproxifnity thereto. As the l og is. carried along'hythe movingcarriege, boardsor the like are out gfrom the *1og, or the main hody of the 10g maybe tsquared orotherwise-{fashioned to -fornl '-b1iilding'-ti1nbers, aSfWiH be readily under- -stood. -rSucheerr-ieges are {provided with knees fwhih- -are} trimsyers1y "qnovable on *the carriages topelide theflog tewardit he "saw aft-er e2ieh"eut. iThese knees-are usually "moved stepby "step ffa'shion =to properly i space the log withrespeet toithejsawq i Eject means isf'ehown age *ment of the final Wi-mber from the carriage is commonly done bymoving' the knees to- Werdthe edge of the carriage'unt'il ti-ie timher is pushed 0T1". *This operation is siow -and "wasteful -,of time1{since the knees can -be-movedlbut--conipanetivelyslowly. 40 It is 'an object-of this invention to provide .means 'for quick1y ejecting the? finaltimher or log from i the earrigge. *The invention in its preferred form; comprisesmpair of ush bers- Whieh are *nor-melly horizontally -disposed 'on the carriage, meansbeing provided for jelevating' thef 10g .or}tiinhenengaging 'ends of said bars and for movi'ng the push bars" forward 3 when it, -ischisired to --ej-ect .the log or;ti niber fromhe eerriage. I The, novel jeaturesof "the inVent-ienivill appeargfroni the-i detailed fieseriptien there? 'Qf-tstken in conneet-ion;with the accompanyin drewingsfinaW-hich- 3 igu-I'e I -is an irregr'ilar vertieelhseet-ion itwkektransversely of theearrigge, a Etiniben A being shown on said -*oarria ge,= a nd plat- ,;1,922. Serial No. 5733 1 h form onto which the timberis reeeived when ejected from said carriage also being shown; 1

F 1g. 2 is a similar vertical section taken somewhat Closer towa d t-hejpnsh .b21r,-fthe view being on enrenle rgjed scale; thelog supporting end of the carriage being omitted;

is'e fnegmentery iiewisimilarto ig. :2 showing the in ie levatefd posi- 3 e f .lFig. 4 is e pla n viewi of the perriageshow ing'the arrangement of the pUjshIbirrsihereon, and V V (F 5'is a yertiealqseetiontakenen dine f'5-5of"Fig:4L. T

In the drawings, 11 representsithegireme log-supporting cross rails Latfeajeh enid' there- "61?,3 the knees which are'fslidgei'bly mounted onisaidrails'nnd whiehserve to space or of any J ordinary saw i mill carriage, 2 .rthe

maintain -t11e'1 g oritinlber atthe' edge of '7 the earriege said means being 'somewlmt 1.diegrammatieahyjshown, and 4 designates a. im r in bns l d fil e dJeg i SteQild knees In lthe (zonYent-ion el eaII iege said knees ,ere used not only for moving "th'eiti'm her [toward the ge'dge the carrie-ge int-o1 'positii e relation. with thegsewvfbut aleovto push;fth log Q'fii said carriage. "'Thefknees r me by 13 h "im eh n s iw ishown in "the present-instance.

Tech, her "8 which in *the -"presentiinstanee, "1e deslgned'to bemoved by mechanism com The 'irn oroy'ed log 101" 'tiniher ip-ush oif ion: meshingrWithj'gear19, said p-inie11 ha'v-= Y -ing. *hnbs :12 and l2.-;-a nd he-ing' sliddbly :I'nounted on 1& driving-shift 18; Uneof-the h-iibs': 12 has ajxiizil-ly extending teeth fer-engagement With the corresponding teeth-on isite hub l2f isprovideii Withe greeizeflwhieh 3 receives a ---jaw 1 5 of-a; clutch eleven i l 6 Whieh Flatter --isk-suitebiy pivotedas-2tt17- to-a; lug

- 1 projecting frem ione ozf the }'braekets -1'0. {*As p agir' of push' connected to the "it being under- The push bar is provided with a projection whichin the present instance takes the form of an obliquely-extending cam 19 side of'the carriage.

"the cam 19 is a heel 19 ceived on said platform or which is designed to cooperate with a cam 20 extending in the same general direction from a suitable support on the frame 1. The normal position of the push bar with respect to the cam 20 is shown in Fig.2. N hen the push bar is movedforwardlyor to the right, the cam 19 will ride up the inclined cam 20 and conse' push bar about its pivot 7. At thebase of atrack ZO'iafter'the cam or projection 19 has cleared. thecam 20, this relation being shown in Fig. The rack 8 and hence the pivot end of the push bar'i's {held to a straight-away movement by; any suitable means as by plates 8 overlying the rack '8 (See Fig. 5,). 22 is a bench' or platform which is usually disposed alongside the saw Then the timber. is the carriage it is, re-

bench, the latter being usually provided with' rollers 23 to ermit the timber to be moved away.

The normal position of the bar 5 is normally'below the rails 2 as shown in Fig.2. When the operator desires to move a timber fromthe. carriage the levers 16 are moved tothrow in the clutch, whereupon thegear 11 will rotate gear 9 which' will move the ejected or. shoved from rack bar 8, which in turn Wlll move the'push I bar towardthe cam end of the the step or cam-20' at one end l until the head 6 of the bar engages with the sidevof the timber and p from the carriage as will now be understood.

,the'timber will be given a,

track and up of the track Movement of the rack will be continued has pushed the same Inasmuch as the bars will be moved rapidly, fkick from the carriage. The bars are then returned to nor- 1 m'al position as shown in Fig. 2, in the pres- 7 ent instanceiby reversing the shaft 13. :If

fmeans only has been ings.

. be incorporated as desired, suitable reversing .mechanism may part of the mechanism for moving. the shaft forward. For simplicit of illustrating,

The cams or projections 19. onthe push bar 5 are preferably disposed on. opposite sides of the bar, there being tracks on either side of said bar onwhich said cams ride. These tracks, therefore, define a channel between which the push, bar is disposed when out of use. {T116 ends of the trackswhich constitute cams 20 are, as will 'now .be seen, stepped to providesaid cams. The push bars are preferably disposed alongside of the rails 52. i

18 is under the controL V What I claim is:

uently, swing the adapted to slide on of means for. quickly removing the carriage including a push bar, means 7 of said bar to'a straight-away movement,

ing from saidbar adjacent a Jone-way driving shown in the draw-v itto be understood that I intend no limitations'except as may be imposed by the appended claims. J

1. In a sawyers carriage, the combination of means for quicklyr'emoving timber from the carriage including a push confining one terminal of said bar to a straight-away movement,- a cam below the plane of said terminal, a projection depending from said bar adjacent and means for translating said" terminal toward and beyond said cam, said projection and cam imparting a swinging movement to the free end of said bar.

bar,means for.

said terminal,

2. In a sawyers carriage, the combination of means for quickly removing timberxfrom the carriage including a push bar,'means for confining one a .cam below the plane of said terminal, ing. from said bar adjacentv saidterminal, means for translating said terminal toward and beyond said cam, said projection'and cam imparting a swinging movement tothe terminal of said-bar -to a straight-away movement,

a. projection depend-5 free end of said bar, anda track on which.

said abutment rides after passing said cam. 3. In a sawyers carnage, the combination for confining one terminal a cam below the plane of saidterminal, a projection dependsaid terminal, a rack to; whichsaid'terminal is hinged, a projection depending from said her adjacent said terminal, a track on which projection may ride to maintain said bar at an oblique angle to said track,and a channel timber from c at one end of 'saidqtraclr into which said projection may enter-to lower the bar to in- V operative position.

4.111 a sawyers carriage, the combination ofmeans for quicklyremoving timber from V the carriage including a push bar, means for confining one terminal of said bar to a straightaway movement, a cam .below the plane of said terminal, aprojection depending fromsaid bar adjacent said terminal, a rack to which said terminal is hinged, a projection depending from said bar adjacent said terminal, a track on which projection may ride to maintain said bar at an oblique angle to saidtrack, anincline at one end of said track down whichsaid projection may ride to lower saidbar. j

5. In a sawyerscarnage, the combination of means for quickly removing timber from the carriage including a push bar, means for confining one terminal of saidbar to a straight-away movement, apair of tracks between which said bar is movable, said tracks at one of their terminals being inclined, projections depending from said ban having knees for moving timber toward the edge of the carriage, spaced push barsnormally disposed behind said knees, and means for moving said push bar's beyond said knees for ejecting said timber out of contact with said knees.

i 15, In testimony whereof I afiix my signature.

WI IAM H. COOPER. 

